Motorola APX Series User manual

APXTM TWO-WAY RADIOS
INTERACTIVE ENDUSERTOOLKIT(IEUTK)
APX 4500
O2 CONTROL HEAD

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O2 Control Head
RADIO PARTS AND CONTROLS
* These radio controls/buttons are programmable.
Emergency
Button*
Menu Select
Buttons
Channel Up & Down
Buttons
Dimmer
Button Multi-function
Knob*
Power Button
Home
Button* Bluetooth
Indicator
LED
Indicators
Accessory Port
(Microphone)

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Keypad Microphone
RADIO PARTS AND CONTROLS
Push-to-Talk
(PTT) Button
Note: The microphone is not part of a radio. It is an optional accessory.
* These radio controls/buttons are programmable.
Not Used At
This Time
Keypad
Home Button
Cancel Button
Okay/Select
Button
Voice
Announcement
Not Used
Not Used
Navigation
Button
Push-to-Talk
(PTT) Button

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Turning on/off the Radio
PREPARING YOUR RADIO FOR USE
Press the Power Button briefly to power on the radio.
After a short time, the red, yellow and green LEDs light up.
The display then shows Zone and channel text, and menu
items display on the screen.
The backlight will turn on to the last selected dim level.
Note:
Pressing the Power Button before the LED lights up will
be ignored.
If your radio does not power up, contact your dealer.
To turn off the radio, press the Power Button after the LEDs
light up.
Power Button

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Adjusting the Volume
PREPARING YOUR RADIO FOR USE
To increase the volume, rotate the Multi-function Knob
(MFK) clockwise.
The display shows volume bars and volume level when you
change the volume.
To decrease the volume, rotate the Multi-function Knob
counterclockwise.
Multi-function Knob (MFK)

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Accessing the Preprogrammed Functions
IDENTIFYING RADIO CONTROLS
You can access various radio functions through one of the following ways:
• A short or long press of the relevant programmable buttons.
OR
• Use the Menu Select Buttons ( ).
Using the Menu Select Buttons
The Menu Select Buttons allow to access the menu entries of features.
Note: Check with your dealer or system administrator for the list of features activated in your radio.
Your radio may be preprogrammed differently from the following example, but the steps for selecting a zone may appear as
shown below:
• Press the Menu Select button ( ) directly below Zone.

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IDENTIFYING RADIO CONTROLS
Using the Navigation Buttons
Home Button
The button returns you to the Home (default) screen. In most cases, this is the current mode.
For selected radio features, the button is also used to save user-edited radio settings or information before returning you to
the Home screen.
Note: Some features do not require you to press to go to the Home screen. Refer to the individual feature sections in this
manual for further details on saving user-edited radio settings or information.
Dimmer Button
Use this button to adjust the brightness of the display.
Long press to toggle between day and night mode.
Up and Down Buttons
By default, the and buttons are used as up and down arrow input. These buttons are programmable.
They can be programmed to navigate through zones, channels and to increase and decrease the volume of the radio.
4-Way Navigation Button (on keypad mic)
Use this button to scroll up , down , left or right .
Press and release one of the button to scroll from one entry to the next one.
Press and hold one of the button to have the radio toggles through the list automatically (release the button to stop).

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IDENTIFYING RADIO CONTROLS
Multi-function Knob (MFK)
The MFK button on your radio is programmable to the
following features :
Mode Change –Press the MFK once and turn
clockwise to scroll the channel list.
Volume Change –Turn the MFK clockwise or
counterclockwise to adjust the volume level of the speaker.
The volume level can be adjusted in 16 steps or 32 steps. A
fast turn of the MFK adjusts the volume level in 16 steps with
large
increments in volume level. A slow turn of the MFK adjusts
the volume level in 32 steps with small increments in volume
level.
The display shows the volume level and bars to indicate the
current level. The level of last selected volume when your
radio
powers down remains the same when the radio powers up.
The main display shows the icon of the secondary feature.
The main display does not show the icon of primary feature.
Your radio by default is set to use the primary feature. Short
press the MFK to toggle it to work on either the secondary or
primary feature.
The concentric ring LED on the multi-function knob will blink
in green when the knob is set to secondary feature.
The secondary feature has an inactivity timer. This timer
starts when the secondary feature is idle. The radio returns to
primary
feature when the timer expires.
If the MFK is set to operate only one feature, it is
recommended that it be set to Volume Change.
Consult your dealer or system administrator for the best
option available for MFK.
Multi-function Knob (MFK)

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Push-To-Talk (PTT) Button
IDENTIFYING RADIO CONTROLS
The PTT button on the side of the radio serves two basic
purposes:
• While a call is in progress, the PTT button allows the radio
to transmit to other radios in the call.
Press and hold down PTT button to talk. Release the PTT
button to listen.
The microphone is activated when the PTT button is
pressed.
• While a call is not in progress, the PTT button is used to
make a new call. Channel
Announcement
PTT

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LED Indicator
IDENTIFYING STATUS INDICATORS
The LED indicator shows the operational status of your radio.
LEDs Red
Yellow
Green